CVE-2025-10921: GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

Published Oct 29, 2025
·
Updated

GIMP HDR File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of HDR files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27803.

Affected Software

4 affected components
GIMP GIMP
GIMP GIMP
GIMP GIMP=3.0.4
Debian Debian Linux=11.0

Event History

Oct 29, 2025
CVE Published
via MITRE·07:29 PM
Data Sourced
via MITRE·07:29 PM
DescriptionSeverityWeakness
Advisory Published
via ZDI·07:40 PM
Data Sourced
via ZDI·07:40 PM
DescriptionSeverityAffected Software
Data Sourced
via Red Hat·08:02 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-10921?

CVE-2025-10921 is classified as a critical vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-10921?

To mitigate CVE-2025-10921, update GIMP to the latest version where the vulnerability is patched.

3

What kind of attack does CVE-2025-10921 enable?

CVE-2025-10921 enables remote code execution attacks that require user interaction.

4

Which versions of GIMP are affected by CVE-2025-10921?

CVE-2025-10921 affects multiple versions of GIMP; specific affected versions can be checked in the official release notes.

5

Is user interaction required to exploit CVE-2025-10921?

Yes, user interaction is required as the target must visit a malicious HDR file to exploit CVE-2025-10921.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203